X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAnalysis%2FBranchProbabilityInfo.cpp;h=bbd87505952216d88b8cad5f042b36e03ecf7288;hb=66b380b6b60f96816346fa50f049b5463512387f;hp=301c3ee6ad8bb7807e9067ef5b71638cea4047cd;hpb=268c0509a995be8cbfd57b135b585e89350bcc94;p=oota-llvm.git diff --git a/lib/Analysis/BranchProbabilityInfo.cpp b/lib/Analysis/BranchProbabilityInfo.cpp index 301c3ee6ad8..bbd87505952 100644 --- a/lib/Analysis/BranchProbabilityInfo.cpp +++ b/lib/Analysis/BranchProbabilityInfo.cpp @@ -11,7 +11,6 @@ // //===----------------------------------------------------------------------===// -#define DEBUG_TYPE "branch-prob" #include "llvm/Analysis/BranchProbabilityInfo.h" #include "llvm/ADT/PostOrderIterator.h" #include "llvm/Analysis/LoopInfo.h" @@ -25,6 +24,8 @@ using namespace llvm; +#define DEBUG_TYPE "branch-prob" + INITIALIZE_PASS_BEGIN(BranchProbabilityInfo, "branch-prob", "Branch Probability Analysis", false, true) INITIALIZE_PASS_DEPENDENCY(LoopInfo) @@ -560,7 +561,7 @@ isEdgeHot(const BasicBlock *Src, const BasicBlock *Dst) const { BasicBlock *BranchProbabilityInfo::getHotSucc(BasicBlock *BB) const { uint32_t Sum = 0; uint32_t MaxWeight = 0; - BasicBlock *MaxSucc = 0; + BasicBlock *MaxSucc = nullptr; for (succ_iterator I = succ_begin(BB), E = succ_end(BB); I != E; ++I) { BasicBlock *Succ = *I; @@ -580,7 +581,7 @@ BasicBlock *BranchProbabilityInfo::getHotSucc(BasicBlock *BB) const { if (BranchProbability(MaxWeight, Sum) > BranchProbability(4, 5)) return MaxSucc; - return 0; + return nullptr; } /// Get the raw edge weight for the edge. If can't find it, return